De Charms, R. (1850). A discourse on the true nature of freedom and slavery.: Delivered before the Washington Society of the New Jerusalem, in view of the one hundred and eighteenth anniversary of Washington's birth. Philadelphia:: J.H. Jones, printer, 34 Carter's Alley..

De Charms, Richard. A Discourse On the True Nature of Freedom and Slavery.: Delivered Before the Washington Society of the New Jerusalem, in View of the One Hundred and Eighteenth Anniversary of Washington's Birth. Philadelphia:: J.H. Jones, printer, 34 Carter's Alley., 1850.

De Charms, Richard. A Discourse On the True Nature of Freedom and Slavery.: Delivered Before the Washington Society of the New Jerusalem, in View of the One Hundred and Eighteenth Anniversary of Washington's Birth. Philadelphia:: J.H. Jones, printer, 34 Carter's Alley., 1850.